The most recent technologies of production, transmission, and access to information have made it possible, under appropriate conditions, to change the visibility of national and international concerns, as well as the protest movements many helped stimulate. Different countries have been faced with a multiplicity of movements articulated online that surpass virtual world barriers and (re) assume presence on the streets. In this chapter, drawing from several examples with different claim bases, authors discuss virtual social networks' role in political participation. However, as it happens in so many initiatives in this field, this is not affirmed from an underestimation of the role of Traditional Means of Communication or that of the trenches in the access and use of digital means.